Tishomingo County, MS Shrink-Swell Risk

Shrink-swell potential in Tishomingo County, MS

Low

Soil across 100% of Tishomingo County, MS comes back "Low" in USDA's shrink-swell data, averaging 1.19% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Tishomingo County, MS - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Tishomingo County: the real numbers

Tishomingo County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

Tishomingo County's rank among Mississippi counties

Among the 3,085 rated counties on this site, Tishomingo County, MS ranks 2,777 most-constrained nationally, and 79 of 82 within Mississippi. Tishomingo County, MS is 424 square miles with a population of 18,553.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Benton County, MN and Albany County, WY are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in Mississippi

Every county in Mississippi is on this site, including Alcorn County, MS and Lowndes County, MS. The full underlying dataset is downloadable directly, one row per county.